The American journal of anatomy . ^n§l FioS. ^^^•^ 207 PLATE 2 EXPLANATION OF FIGURES 5 Port ion of placental chorion of human embryo of mm (H. E. 389). Above, the chorionic mesoderm; the basal layer of the ectoderm andthe syncytial layer are both interrupted by a fetal capillary, separated fromthe maternal blood stream only by an ectodermal plate, pi., which is closelyadherent to the endothelium of the capillary. X 640 diameters. 8 Portion of chorion and labyrinth of placenta of a rat of 13 days ( C. no. 1930, sect. 143). The same production of epithelial plates separati
The American journal of anatomy . ^n§l FioS. ^^^•^ 207 PLATE 2 EXPLANATION OF FIGURES 5 Port ion of placental chorion of human embryo of mm (H. E. 389). Above, the chorionic mesoderm; the basal layer of the ectoderm andthe syncytial layer are both interrupted by a fetal capillary, separated fromthe maternal blood stream only by an ectodermal plate, pi., which is closelyadherent to the endothelium of the capillary. X 640 diameters. 8 Portion of chorion and labyrinth of placenta of a rat of 13 days ( C. no. 1930, sect. 143). The same production of epithelial plates separating theendothelium of the fetal capillaries from the maternal l)lood stream. The twostreams are recognizable by their blood corpuscles. It will be noticed that theplates occur against both fetal arteries and veins. The basal layer of fetalectoderm has partially disappeared. X 250 diameters. 9 Villus of human placenta of 3 months. Note the complete syncytiallayei of the fetal ectoderm, and the basal layer interrupted by a fetal capillary,ovei- whi
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Keywords: ., bookauthorwi, bookcentury1900, bookdecade1910, booksubjectanatomy
